CN201193503Y - 弹簧平衡式方钻杆旋塞阀 - Google Patents
弹簧平衡式方钻杆旋塞阀 Download PDFInfo
- Publication number
- CN201193503Y CN201193503Y CNU2008200226671U CN200820022667U CN201193503Y CN 201193503 Y CN201193503 Y CN 201193503Y CN U2008200226671 U CNU2008200226671 U CN U2008200226671U CN 200820022667 U CN200820022667 U CN 200820022667U CN 201193503 Y CN201193503 Y CN 201193503Y
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- Prior art keywords
- spring
- valve
- packing
- groove
- spherical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200226671U CN201193503Y (zh) | 2008-05-22 | 2008-05-22 | 弹簧平衡式方钻杆旋塞阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200226671U CN201193503Y (zh) | 2008-05-22 | 2008-05-22 | 弹簧平衡式方钻杆旋塞阀 |
Publications (1)
Publication Number | Publication Date |
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CN201193503Y true CN201193503Y (zh) | 2009-02-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2008200226671U Expired - Lifetime CN201193503Y (zh) | 2008-05-22 | 2008-05-22 | 弹簧平衡式方钻杆旋塞阀 |
Country Status (1)
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CN (1) | CN201193503Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102071910A (zh) * | 2009-11-19 | 2011-05-25 | 李新利 | 低扭矩方钻杆旋塞阀 |
CN105003682A (zh) * | 2015-07-30 | 2015-10-28 | 盐城市大冈石油工具厂有限责任公司 | 调压自启式旋塞阀 |
CN110094181A (zh) * | 2018-01-30 | 2019-08-06 | 东营市创元石油机械制造有限公司 | 石油钻井用高效旋塞阀 |
-
2008
- 2008-05-22 CN CNU2008200226671U patent/CN201193503Y/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102071910A (zh) * | 2009-11-19 | 2011-05-25 | 李新利 | 低扭矩方钻杆旋塞阀 |
CN105003682A (zh) * | 2015-07-30 | 2015-10-28 | 盐城市大冈石油工具厂有限责任公司 | 调压自启式旋塞阀 |
CN105003682B (zh) * | 2015-07-30 | 2017-06-30 | 盐城市大冈石油工具厂有限责任公司 | 调压自启式旋塞阀 |
CN110094181A (zh) * | 2018-01-30 | 2019-08-06 | 东营市创元石油机械制造有限公司 | 石油钻井用高效旋塞阀 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD. Free format text: FORMER OWNER: MA BAOZHONG Effective date: 20140509 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271100 LAIWU, SHANDONG PROVINCE TO: 271199 LAIWU, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140509 Address after: 271199 intersection of Yuntai Mountain Road and Panlong River Street, Laiwu hi tech Zone, Shandong Patentee after: SHANDONG WEIMA PUMP MANUFACTURING CO., LTD. Address before: 271100 Shandong city of Laiwu province high tech Zone Plate Dragon River Street No. 007 Shandong Weima pumps manufacturing Co. Patentee before: Ma Baozhong |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Weima pumps manufacturing Co. Assignor: Ma Baozhong Contract record no.: 2010370000327 Denomination of utility model: Spring balance type kelly plug valve Granted publication date: 20090211 License type: Exclusive License Record date: 20100602 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090211 |